Home / 5,768.09-8,653.35-1,872.19

Finding the Fourth Proportional to 5,768.09, 8,653.35 and 1,872.19

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Solution

The fourth proportional to 5,768.09, 8,653.35 and 1,872.19 is: 2,808.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,768.09 : 8,653.35 = 1,872.19 : x
  2. Step 2: Convert to fraction form
    5,768.09/8,653.35 = 1,872.19/x
  3. Step 3: Cross multiply
    5,768.09x = 8,653.35 × 1,872.19
  4. Step 4: Simplify right side
    5,768.09x = 16,200,705.98
  5. Step 5: Solve for x
    x = 16,200,705.98/5,768.09
  6. Step 6: Final answer
    x = 2,808.68

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.